The Ontario Building Code | Length of Nails
9.23.3.2. Length of Nails
(1) All nails shall be long enough so that not less than half their required length penetrates into the second member.
In Plain Language
Nails must meet the minimum length requirements set out in this article, ensuring adequate penetration and holding power for the connection being made.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.